Have you ever wondered why the air in your home feels sticky, despite the air conditioning running at full blast? You might be experiencing high humidity levels, which can be uncomfortable and potentially harmful to your health. But what exactly is considered too high humidity in a house? Is 65% humidity too much? In this article, we’ll delve into the effects of high humidity and explore the ideal humidity levels for a healthy and comfortable home.

1. What is the Ideal Humidity Level for Your Home?

Humidity is the amount of moisture in the air and it fluctuates depending on the season and location of your home. However, maintaining the ideal humidity level in your home is important for not only your comfort but also for your health and the health of your property. The ideal humidity level for your home should be between 30-50% (Ontario Ministry of Health and Long-Term Care).

When the humidity level in your home is too high, you may experience negative effects such as mould growth, dust mite infestations, and respiratory problems. Conversely, low humidity levels can result in dry skin, irritation in your nose and throat, and respiratory problems too.

Generally, a hygrometer is a useful tool for measuring the humidity level of your home. If the hygrometer registers a humidity level above 50% on a regular basis, it may be time to consider some solutions for reducing the humidity levels in your home.

It is important to note that the ideal humidity level varies depending on different factors that can dictate the amount of moisture in the air in your immediate area. For example, the best humidity level for a desert area would be lower to stay comfortable and, using a humidifier in a dry climate is important to increase the humidity level to a comfortable living level. In a tropical location, a higher humidity level is to be expected. So long as the humidity level does not exceed the threshold for mould growth, dew points, and other factors, you should be able to enjoy the ideal humidity level for comfortable living.

2. Understanding the Risks of High Indoor Humidity

Humidity levels above 60% are considered high and can lead to various problems in your home. It is essential to understand the risk of high indoor humidity to prevent any damage or health concerns in your household.

One of the biggest risks of high humidity levels is the growth of mold and mildew. These fungi thrive in moist environments and can damage your walls, floors, and furnishings. Besides, mold and mildew can trigger allergies and respiratory issues, causing discomfort and even illness.

High indoor humidity can also make your home feel stuffy and uncomfortable, even at lower temperatures. This can lead to increased energy consumption as you might need to use your air conditioning more often to achieve a comfortable temperature.

Furthermore, high humidity levels can attract pests like dust mites and cockroaches, which can cause a host of health problems and lead to the deterioration of your furniture and fabrics.

To avoid these risks, it is crucial to maintain optimal humidity levels in your home. If your home’s humidity levels are already high, take action to get them back to a healthy range.

  • Check for any leaks in your plumbing or roofing system, which can cause excess moisture in your home.
  • Ensure proper ventilation in your bathrooms and kitchen, where moisture commonly accumulates.
  • Invest in a dehumidifier to remove excess moisture from the air.

By and taking preventative measures, you can ensure a comfortable, healthy, and safe home environment.

3. How to Tell if Your Home’s Humidity Level is Too High

Humidity refers to the amount of moisture present in the air. It is essential to maintain the proper humidity levels in our homes, as an excess or lack of moisture can cause problems. If the humidity level in your house goes beyond the recommended range of 30-50%, it could lead to several issues such as mold growth, dust mites, and poor indoor air quality.

So, how do you know if the humidity level in your home is too high? Here are some signs to look out for:

  • Water stains on walls or ceilings: If you notice water stains on your walls or ceilings, it could be a sign that the humidity level in your home is too high.
  • Condensation on windows or mirrors: When there is excess humidity in the air, moisture tends to condense on windows and mirrors.
  • Musty odor: If you detect a musty odor in your house, it could be an indication of mold growth, which thrives in high humidity environments.

It is crucial to monitor the humidity levels in your home for your family’s health and comfort. You can measure the humidity level using a hygrometer, a device that measures the moisture content in the air. If the reading indicates that your home’s humidity level is above 50%, you should take immediate action to reduce it.

Next, let’s look at some easy solutions for lowering humidity levels in your home.

4. Easy Solutions for Lowering Humidity Levels in Your Home

If the humidity level in your home is too high, don’t worry, there are easy solutions to help you fix the problem. Here are some simple and effective ways to lower humidity levels in your home.

Open Windows and Use Ventilation

One of the easiest and most effective ways to reduce humidity levels in your home is by opening windows and using ventilation. This allows fresh air to circulate, which reduces the humidity level. You can also install exhaust fans in the kitchen and bathroom to remove excess moisture.

Use a Dehumidifier

Another solution is to use a dehumidifier. A dehumidifier works by drawing in moist air and removing the excess moisture. It’s an easy solution that can be used in any room where excess humidity is a problem. When choosing a dehumidifier, make sure to pick one with appropriate capacity for your home size.

Fix Any Leaks

If you have any leaks or water damage in your home, it’s important to fix them immediately. Moisture buildup caused by leaks can lead to high humidity levels and mold growth. It’s crucial to identify and fix the source of the problem to prevent further damage and potential health hazards.

With these simple solutions, you can easily reduce humidity levels in your home and maintain a healthy living environment. However, if you’re unsure about how to handle high humidity levels or if the problem persists, it may be time to call in a professional for help.

5. Choosing the Right Dehumidifier for Your Home

One of the most effective ways to lower humidity levels in your home is by using a dehumidifier. These appliances work by extracting moisture from the air and collecting it in a tank or draining it away. When choosing a dehumidifier for your home, there are several factors to consider.

Size and Capacity

The size and capacity of the dehumidifier you need will depend on the size of your home and the level of humidity you are dealing with. A dehumidifier’s capacity is usually expressed in pints of moisture removed per day. To determine the right size for your home, you’ll need to calculate the square footage of your space and the ideal moisture removal rate.

Noise Level

If you plan on using your dehumidifier in a living area or bedroom, you’ll want to choose a model that operates quietly. Look for dehumidifiers with noise levels between 45 and 50 decibels.

Energy Efficiency

Dehumidifiers can consume a lot of energy, which can quickly add up to higher electricity bills. Look for models with ENERGY STAR certification, which indicates that they meet or exceed energy efficiency standards set by the U.S. Environmental Protection Agency. ENERGY STAR dehumidifiers can save you money on your energy bills while also reducing your carbon footprint.

By selecting the right dehumidifier for your home, you can effectively lower indoor humidity levels and improve the air quality in your living space.

6. Maintaining a Healthy Home: Tips for Preventing High Humidity Levels

Maintaining a healthy home requires keeping the humidity level in check. Elevated humidity levels can result in various health problems such as respiratory issues, allergies, and mold growth. Here are some tips to prevent high humidity levels in your home:

1. Proper Ventilation

A well-ventilated home can go a long way in keeping the humidity levels low. Ensure that your home has the proper ventilation by opening windows and doors when possible. Additionally, you can install exhaust fans in areas prone to moisture such as bathrooms and kitchens.

2. Fix Leaks

Leaky pipes, roofs, and walls can cause moisture to accumulate in your home, which can result in high humidity levels. Regularly inspect your home’s plumbing and check for leaks. If you find any, fix them immediately to prevent any damage and reduce indoor humidity levels.

3. Use Air Conditioning

Air conditioning units not only cool your home but also help dehumidify it. Running an air conditioning unit can significantly lower indoor humidity levels, especially during hot and humid weather conditions.

4. Keep Your Home Clean and Dry

Dust, dirt, and moisture can accumulate quickly in your home if left untreated. Regularly cleaning your home and drying damp surfaces can help prevent the buildup of humidity levels. Additionally, using a dehumidifier can help remove excess moisture from the air.

Maintaining a healthy home requires keeping the humidity levels in check. By following these simple tips, you can prevent high indoor humidity levels and ensure a comfortable and healthy living environment.

7. When is it Time to Call in a Professional for Help with High Humidity Levels?

Despite your best efforts, sometimes high humidity levels in your home are simply too difficult to rectify on your own. In these cases, it may be time to call in a professional to provide expert assistance with tackling the problem. But when exactly should you make that call?

1. Recurring Mold and Mildew

One sign that it’s time to bring in a professional is if you are experiencing recurring mold and mildew growth despite your attempts to eliminate excess humidity. This is because mold and mildew thrive in high moisture environments, and can have a negative impact on your health. A professional can assess your home’s unique situation and provide advice on a permanent solution to combat mold and mildew growth.

2. Persistent High Humidity Levels

If your home is consistently experiencing high humidity levels, even after you’ve tried several dehumidifying solutions, it’s time to call ina professional. This may indicate a larger issue, like poor ventilation or an equipment malfunction. Professionals can help identify the root cause and provide a solution that is tailored to your specific needs.

3. Unexplained Symptoms of High Humidity

Lastly, if you or anyone in your family is experiencing unexplained symptoms of high humidity, such as respiratory issues or allergic reactions, it is important to seek the assistance of a professional. These symptoms could be a result of excessive humidity, mold growth, or something else entirely. A professional can help diagnose the root issue and provide guidance on effective solutions.

In conclusion, if high humidity levels in your home are causing recurring issues or persistent problems, it’s time to enlist the help of a professional. By taking action and reaching out to an expert, you can create a safe and healthy living environment for you and your family.

People Also Ask

What should the humidity level be in a house?

The humidity level in a house should ideally be between 30% to 50%. Any level above or below this range can cause discomfort and health issues.

What problems can arise from high humidity in a house?

High humidity in a house can lead to mold growth, dust mite infestations, and a musty odor. It can also cause wood to warp, and paint and wallpaper to peel.

How can I reduce humidity in my house?

Some ways to reduce humidity in a house include using dehumidifiers, improving air circulation with fans or opening windows, sealing leaks around doors and windows, and using exhaust fans in bathrooms and kitchens.

Can high humidity cause health problems?

High humidity can cause health problems such as allergies, respiratory issues, and skin irritation. It can also worsen the symptoms of asthma and arthritis.

What should I do if I have high humidity in my house?

If you have high humidity in your house, you should take steps to reduce it. This can include using a dehumidifier, improving air circulation, and fixing any leaks or plumbing issues.


A humidity level of 65% is too high in a house and can lead to various problems such as mold growth, dust mite infestations, and health issues. It is important to maintain the humidity level in a house between 30% to 50% to ensure a comfortable and healthy living environment. Taking steps to reduce humidity, such as using dehumidifiers and improving air circulation, can help prevent these issues.